3+4x-3x=-12

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Solution for 3+4x-3x=-12 equation: 


Simplifying
3 + 4x + -3x = -12

Combine like terms: 4x + -3x = 1x
3 + 1x = -12

Solving
3 + 1x = -12

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + 1x = -12 + -3

Combine like terms: 3 + -3 = 0
0 + 1x = -12 + -3
1x = -12 + -3

Combine like terms: -12 + -3 = -15
1x = -15

Divide each side by '1'.
x = -15

Simplifying
x = -15

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